- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Bugiad "54081" - Not available
MERCEDES-BENZ - S-Class, E-Class, CLK, C-Class, SL; BMW - 3, 5; AUDI - A4, A3; CHRYSLER - Crossfire